Secondary or storage battery.



B. FORD.

SEGQNDARY 0R STORAGBBATTERY.

APPLICATION FILED DEC. 29, 1911.

1,068,641, Patented July 29, 1913.

JI'WIRIVEM -'.buttons or plugs I v ate holes or openings in an inactiveframe conditions otfuse to clear the interstices be *tween lts' w ndingsof sediment which,

Copies of this patent may he obtain d to Philadelphia',- in theicountrcerta-i,n new and useful Improvements in.

Secondary; or Storage Batteries, otwhich' the followingisaspecification.

I larly with the-form of the tape.

'or plug to swell or expand and-burst the g! ld or frame I The inventionwill be claimed at the end hereof, but will. first be described in conl-faces of the button 2, as at 3. The transat.5. The

. ssues- Fosn, or PHILADELPHIA;IE'ENNSYLVANlA. I

Specification of at all whom it may concern -Be it .known that l',-BRUCE FORD,- a citizen of theUnited States,-and a resident of and State,of Pennsylvania; have invented This invention relates 1n platesconsistin%1 tape rolled upon to-improvements of pieces of ribbed lead t,emselves in the form of and inserted in approprt' or grid and it isconcerned more particu- The principal; object of the present inven tionis to cause the button or plug under permitted to remain, would causethe button.

nection' with the accompanying drawings, in

,Figure 1, is. a view of a part of a plate features of the el with the.face drawn tov an en-. Fig. 3, is a sectional view button. Fig-4,115: a

and ig. 5, is

'(Figs. 3 and 4) fron jthe center toward the verse rib at tapers (Figs.4 and 5).fro1io the .cent'e'r toward the face of the button 2 as 1portions 6, of the body of the tape between the crosswise ribs tapers asat -s'noo'nnanY on STORAGE naturalist. v

of Philadelphia Letters Patent.

formed when the-tape is coiled itseli jected-to use they: tend to expelfromtheir 5 hat- I-clainris;

tion with an inactive frame or grid of a body portion oft e tape betweenthe trans button consisting of a coil of lead tape havp'ortions betweenthe ribs tapering from the center. toward the faces of the-button.-

' tion with an inactive frame or :grid' 'ofa button ,cons-isti'n ingtransversemilis tapering from the/center of the tape toward the facesofthe button..-

the combinationof a center toward theiaces. I I

signedmy I i i I! W1 tnesses:

S. E. PATTERSON,

7. The cavities, interstices or' spaces live cents FRANK E. FRENCH.

each, by addressing this eachnhave tapering walls and increase in crosssection from the center outward -to-' ward the faces of the plate. Theresultof: this 'isthat when the buttons are mounted in openings in theframe 9 and are .sub-

frame or grid' .9 j p 1. In a storage battery plate the combinav I 2'.In a storage battery plate the-coinbina tl0I1,\Ylth an inactive frame orgrid of a 65 ingfribs tapering from the center toward f v the faces .ofth'e button' and having the-body l 3. In astorage battery plate thecon1bina of a coil of lead tape hav- 4;. A- storage battery' plateconsisting of Commissioner of Patents,

Patented uiyeeiieisg Application filed December 29, 1911; Serial No..668', 480.I 7

interstices, sediment which 'i:t'.perinittd to button. consisting of acoil of lead tape provided; withtrans erse ribs and hav ngtheeoverseribs tap Iingfrom the'center to the faces of the button,

75 I provided with openingsand buttons consistmgof coils r tape havingbetween them interstices of 1 which the crossection increases from the[In testimony whereof I have hereunto- 1 nameiil he presence oft wo Wit-

